Final Flashcards

0
Q

Restriction endonucleases

A

Enzymes that cut DNA at a specific sequence

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1
Q

Reverse transcriptase

A

Enzyme that catalyze a synthesis of a complementary DNA (cDNA) from an RNA TEMPLATE

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2
Q

DNA ligase

A

Enzyme that makes a phosphodiester bond between nucleotides on the same DNA strand

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3
Q

Plasmids

A

small chromosomal circles of DNA in bacteria and yeast

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4
Q

Taq polymerase

A

Synthesizes DNA from a primed DNA template at 95 degrees

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5
Q

Recombinant DNA technology

A

Take a copy of a gene from one individual and placing it I the genome of a different individual

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6
Q

DNA libraries

A

Collection o all DNA sequences present I a particular source

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7
Q

Probing / screening a DNA library

A

Use of a labeled, known DNA fragment to hybridized (by complementary base pairing)

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8
Q

Polymerase chain reaction (PCR)

A

A DNA synthesis reaction that uses known primer sequences on ether side of a target gene. Reaction is based on many cycles of DNA denaturation, primer annealing, and primer extension

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9
Q

Dideoxy sequencing

A

In vitro DNA synthesis reaction that includes deoxyribonucleoside triphosphates (ddNTPs) as monomers

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10
Q

Genetic mapping

A

Creation of a map showing the relative positions of genes or specific DNA sequences on chromosomes

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11
Q

Sun light to light reactions to

A

Calvin cycle

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12
Q

Where did most of the bacteria swarm in the light spectrum?

A

Red-orange and purple -blue

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13
Q

H2O gives what to the electron transport chain

A

4 electrons and it makes ATP and 2 NADPH each run

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14
Q

What goes through ATP synthase to make ATP?

A

H plus

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15
Q

What are the three phases of the carbon cycle?

A

1 Fixation Of carbon dioxide
2 reduction of 3PGA and G3P
3 regeneration of RuBP from G3P

16
Q

Virus capsid

A

Exterior protein coat can contain DNA

17
Q

Why is the correct form of replication

A

Semi conservative (the original strand splits in to two strands

18
Q

In which direction does DNA synthesis

A

5 prime to 3 prime

19
Q

Is DNA synthesis exergonic or endergonic

20
Q

In DNA synthesis what connects?

A

OH on the 3 prime and the tri phosphates on the 5 prime

21
Q

Helicase

A

Catalyze a the breaking of hydrogen bonds between base pairs to open the double helix

22
Q

DNA polymerase III

A

Extends the leading strand or okasaki fragment in the lagging strand

23
Q

DNA polymerase I

A

Removes the RNA primer and replaces it with DNA

24
Okasaki fragments
Found on the laggin strand and are fragments of DNA that are made because the DNA only synthesizes in a 5 to 3 direction
25
Leading strand
The continuous strand because it leads into the replication fork and is synthesized continuously
26
What joins Okazaki fragments?
DNA ligase
27
What proof reads DNA after it is synthesized
DNA polymerase
28
Where does photosynthesis take place?
Chloroplasts
29
What gets oxidized in light reactions
H2O
30
Where does the extra ATP come from?
Cyclic electron flow and it gives 3 of the ATP to Calvin cycle
31
How many non cyclic ATP go into the Calvin cycle?
6 ATP
32
What's the P of photo system 2? What electron acceptor?
P680 & pheophytin
33
Photosystem 1 is what p? What electron acceptor?
P700 & ferredoxin
34
How many ATPS are used by the clavin cycle?
9 in one cycle
35
How many turns of the Calvin cycle does it take to make one glucose or fructose?
2
36
How many NADPH's are used in the Calvin cycle?
6 as part of reduction
37
How many co2 enter the Calvin cycle? What are they combined with?
3 and a 5 carbon RuBP to make 6 3 carbon PGA's